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Finding the Third Proportional to 827,227.69 and 1,139,138.44

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Solution

The third proportional to 827,227.69 and 1,139,138.44 is: 1,568,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,227.69 : 1,139,138.44 = 1,139,138.44 : x
  2. Step 2: Convert to fraction form
    827,227.69/1,139,138.44 = 1,139,138.44/x
  3. Step 3: Cross multiply
    827,227.69x = 1,139,138.44 × 1,139,138.44
  4. Step 4: Simplify right side
    827,227.69x = 1,297,636,379,789.94
  5. Step 5: Solve for x
    x = 1,297,636,379,789.94/827,227.69
  6. Step 6: Final answer
    x = 1,568,656.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.